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Digestive System Outline Write out the meaning of the following abbreviations: BM: NPO: cl liq: po: FDA: pp: GB: pc: GI: Every cell needs a constant ________________________________________ to provide ______________ to manufacture body substances. This food is called: _____________________. THE DIGESTIVE SYSTEM _______________ is the process of ___________________________________________ into nutrients. The digestive system consists of the _______________________ or the _______________________________. Accessory Organs of the GI tract include: Picture Anatomical structure Gastrointestinal (GI) tract Functions Referred to as the ___________________. A tube that extends ____________________. 4 layers: 1) Outer covering: Serous Layer Protects: Allows organs to __________ freely. 2) Muscle layer: Expands and _____________ in _____________ motions called __________________ to move food along canal. 3) Loose connective tissue: Holds: 4) Innermost layer: mucous membrane Secretes mucous and digestive _________________. Enzymes convert ___________, ___________, ________ into substances the body can use. Picture Anatomical Structure Functions Food is taken into the _________________. Lips sense _____________________. Process of chewing _______________________. The roof of the mouth is formed by the _______ and _________ palate. The __________ is attached to the soft palate. Digestion begins in the ____________. Salivary glands secrete _______________ which helps with the _________________ of food. The 3 glands are: Another name for throat: _______________. __________ and _________ share this passage. Define Pharynx: Epiglottis covers : Define esophagus: This group of muscles contract to close the entrance of the stomach to prevent back flow: _________________________. The _____________ is a pouchlike organ. It receives food from the ___________ and mixes it with ___________________. 4 regions of the stomach are: After meals the food gets mixed into _________. The stomach releases the ___________ into the small ______________. Receives _______ from the _____________, bile from the __________ and juices from the _________. Bile: Chyme takes ____ to ___ hrs to travel to small instestine. Absorption: Small intestine is about ____ft. 3 parts: 1. Duodenum: ________ inches long Fingerlike projections ____________ help with absorption. 2. Jejunum: _____ ft long 3. Ileum: connects _______________________. Picture Anatomical structure Functions About ____ ft long. Waste products remain for about ____ to ____ hrs. 4 parts: 1. Cecum: Process of turning ______________ into ______. _______ is formed and moved into the _______. 2. Colon: ___________ shaped. The three parts to the colon are: __________, ________ and the _______________. 3. Sigmoid colon: is ______ shaped. Connects to the ______________. 4. Rectum: attaches to the _________ canal. Release of feces is known as _________________ Weighs about _____ lbs. The liver helps change ___________________ into usable substances. It secretes ________ which is stored in the ________________. _______ released from liver goes into the _______________________. The _________________ stores ________ until it is needed for digestion. _________ goes into the __________________. The pancreas is _____ to _____ in. It is located on the ____________ side of the __________________. It secretes ________________________ into the small intestine.